Question: 3) Oklahoma LEDs production process yields lightbulbs with an average life of one thousand eight hundred fifty hours and a standard deviation of one hundred
3) Oklahoma LEDs production process yields lightbulbs with an average life of one thousand eight hundred fifty hours and a standard deviation of one hundred hours. The tolerance upper and lower specification limits are two thousand four hundred fifty hours and one thousand six hundred hours, respectively. Is this process capable of producing lightbulbs to specification?
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